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  <title>Returns whether phar has global meta-data</title>

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</div><hr /><div id="phar.hasmetadata" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">Phar::hasMetadata</h1>
  <p class="verinfo">(PHP &gt;= 5.3.0, PECL phar &gt;= 1.2.0)</p><p class="refpurpose"><span class="refname">Phar::hasMetadata</span> &mdash; <span class="dc-title">Returns whether phar has global meta-data</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-phar.hasmetadata-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="type">bool</span> <span class="methodname"><strong>Phar::hasMetadata</strong></span>
    ( <span class="methodparam">void</span>
   )</div>

  <p class="para rdfs-comment">
   Returns whether phar has global meta-data set.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-phar.hasmetadata-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   No parameters.
  </p>

 </div>

 <div class="refsect1 returnvalues" id="refsect1-phar.hasmetadata-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns <strong><code>TRUE</code></strong> if meta-data has been set, and <strong><code>FALSE</code></strong> if not.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-phar.hasmetadata-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-656">
    <p><strong>Example #1 A <span class="function"><strong>Phar::hasMetadata()</strong></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">try&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$phar&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">Phar</span><span style="color: #007700">(</span><span style="color: #DD0000">'myphar.phar'</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$phar</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">hasMetadata</span><span style="color: #007700">());<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$phar</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">setMetadata</span><span style="color: #007700">(array(</span><span style="color: #DD0000">'thing'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #DD0000">'hi'</span><span style="color: #007700">));<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$phar</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">hasMetadata</span><span style="color: #007700">());<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$phar</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">delMetadata</span><span style="color: #007700">();<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$phar</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">hasMetadata</span><span style="color: #007700">());<br />}&nbsp;catch&nbsp;(</span><span style="color: #0000BB">Exception&nbsp;$e</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #FF8000">//&nbsp;handle&nbsp;error<br /></span><span style="color: #007700">}<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

    <div class="example-contents"><p>以上例程会输出：</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
bool(false)
bool(true)
bool(false)
</pre></div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-phar.hasmetadata-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="phar.getmetadata.html" class="function" rel="rdfs-seeAlso">Phar::getMetadata()</a> - Returns phar archive meta-data</span></li>
    <li class="member"><span class="function"><a href="phardata.setmetadata.html" class="function" rel="rdfs-seeAlso">Phar::setMetadata()</a> - Sets phar archive meta-data</span></li>
    <li class="member"><span class="function"><a href="phar.delmetadata.html" class="function" rel="rdfs-seeAlso">Phar::delMetadata()</a> - Deletes the global metadata of the phar</span></li>
   </ul>
  </p>
 </div>


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